http://stackoverflow.com/questions/4931323/whats-the-difference-between-getrequesturi-and-getpathinfo-methods-in-httpservl

I will put a small comparison table here (just to have it somewhere):

Servlet is mapped as /test%3F/* and the application is deployed under /app.

http://30thh.loc:8480/app/test%3F/a%3F+b;jsessionid=S%3F+ID?p+1=c+d&p+2=e+f#a

Method URL-Decoded Result
-------------------------------------------------
getContextPath() /app
getLocalAddr() 127.0.0.1
getLocalName() 30thh.loc
getLocalPort() 8480
getMethod() GET
getPathInfo() yes /a?+b
getProtocol() HTTP/1.1
getQueryString() no p+1=c+d&p+2=e+f
getRequestedSessionId() no S%3F+ID
getRequestURI() no /app/test%3F/a%3F+b;jsessionid=S+ID
getRequestURL() no http://30thh.loc:8480/app/test%3F/a%3F+b;jsessionid=S+ID
getScheme() http
getServerName() 30thh.loc
getServerPort() 8480
getServletPath() yes /test?
getParameterNames() yes [p 2, p 1]
getParameter("p 1") yes c d
In the example above the server is running on the localhost:8480 and the name 30thh.loc was put into OS hosts file.

Comments

"+" is handled as space only in the query string

Anchor "#a" is not transferred to the server. Only the browser can work with it.

If the url-pattern in the servlet mapping does not end with * (for example /test or *.jsp), getPathInfo() returns null.

If Spring MVC is used

Method getPathInfo() returns null.

Method getServletPath() returns the part between the context path and the session ID. In the example above the value would be /test?/a?+b

Be careful with URL encoded parts of @RequestMapping and @RequestParam in Spring. It is buggy (current version 3.2.4) and is usually not working as expected.

shareimprove this answer
answered Jan 10 '14 at 14:20

30thh
2,73921417